Arm-chair



FIG. 1 is a front elevational view of the arm-chair of my new design;

FIG. 2 is an elevational view of one side thereof;

FIG. 3 is an elevational view of the other side thereof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a front perspective view of the arm-chair. 

The ornamental design for an arm-chair, as shown. 